In-line Variable Area Flow Meters and Flow Switches

The Hedland Basic In-Line range offers a complete line of over 15,000 variable area flow meters designed to measure oil, phosphate esters, water and water-based fluids, as well as air and other compressed gases. In addition to the standard in-line models, these rugged variable area flow meters are available in high temperature models and test kits with pressure gauge as well as digital versions with a choice of outputs.

Rugged, durable construction featuring aluminum, brass and
stainless steel bodies
Models available in sizes from 1/4" to 3"
Accuracy of ±2% of full scale
Temperatures to 240 °F (116 °C); 400 °F (204 °C) for high temperature models
Pressures up to 6000 psi (414 bar)
Operates in any position
No flow straighteners or special piping required
360° rotatable scales
Custom scales available

Flow-Alert™ Flow Switches

The Flow-Alert flow switches provide both visual flow indication and the capability to signal alarms, open or close circuits, trigger warning lights and buzzers, and shut down pumps or other equipment. For Liquids / Air and other compressed Gases.

 Micro switch (latching) or reed switch (proximity) models available
 Choice of one or two switches per meter
Available in meter sizes from 1/4" to 11/2"
Accuracy of ±2% of full scale


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